Which among the following statements are correct regarding vacuoles?

Vacuoles are not membrane bound.

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Vacuoles are present only in plant cells.

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Vacuoles occupy 50-90% of the cell volume in plant cells.

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In amoeba, food vacuoles digests food.

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Solution

The correct options are
C Vacuoles occupy 50-90% of the cell volume in plant cells.
D In amoeba, food vacuoles digests food.

Vacuoles are single-membrane bound, fluid filled spaces. They are present in the cytoplasm of the cell.

Vacuoles are present in both plant and animal cell. In animal cells they are smaller in size and lesser in number.

Plant cells on the other hand have one large vacuole which may occupy 50-90% of the cell volume.

In amoeba, the food vacuole contains the food items which the organism consumes. In some unicellular organisms, specialised vacuoles also play important role in expelling excess water and some wastes from the cell.

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Similar questions

What are present only in plant cells ?

Options: vacuoles, plastids, lysosomes, cytoplasm.

Read the following statements and identify the correct options given.

(A) Sap vacuoles - contain digestive enzymes by which nutrients are digested

(B) Contractile vacuoles - take part in osmoregulation and excretion

(D) Air vacuoles - store metabolic gases and help in buoyancy of cells

Pick the correct set of difference between plant and animal cells from the following table:

$\begin{matrix} Animal cells & Plant cells i. Animal cells have large single vacuole & Plant cells have many small vacuoles ii. Animal cells do not have plastids & Plant cells have plastids including chloroplast iii. Animal cells do not have cell wall & Plant cells have cell wall outside the plasma membrane iv. Animal cells are green in colour & Plant cells are not colored v. Lysosomes are always present & Lysosomes are rare \end{matrix}$

Pick the correct set of difference between plant and animal cells from the following table.

\begin{matrix} A n i m a l c e l l s & P l a n t c e l l s i . A n i m a l c e l l s h a v e l a r g e s i n g l e v a c u o l e & P l a n t c e l l s h a v e m a n y, s m a l l v a c u o l e s i i . A n i m a l c e l l s d o n o t h a v e p l a s t i d s & P l a n t c e l l s h a v e p l a s t i d s i i i . A n i m a l c e l l s d o n o t h a v e c e l l w a l l & P l a n t c e l l s h a v e c e l l w a l l o u t s i d e t h e p l a s m a m e m b r a n e i v . A n i m a l c e l l s a r e g r e e n i n c o l o u r & P l a n t c e l l s a r e n o t c o l o u r e d v . L y s o s o m e s a r e a l w a y s p r e s e n t & L y s o s o m e s a r e r a r e \end{matrix}

Q. Assertion :In a mature plant cell, the nucleus and cell organelles are pushed against the cell wall. Reason: The plant cell have single and large central vacuole which occupies 50-90% of the cell volume.

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